Ralph Thompson Gross, former Hannibal executive, died Sunday, July 23, 2017, of complications of advanced age. He was 93.

Ralph Thompson Gross, former Hannibal executive, died Sunday, July 23, of complications of advanced age. He was 93.

Gross was plant manager for the Atlantic Buildings plant from 1968 to 1976. He was active in Rotary Club, Kiwanis, the United Way and the Hannibal Sesquicentennial Commission.

A civil engineer who graduated with bachelor degrees from Georgia Institute of Technology in 1950 and Emory University in 1951, he had a diverse career including industrial engineering and management in the steel industry, life insurance underwriting and management, wholesale sales, and self-employed home building.

After starting his career in the Atlanta area, he moved to Hannibal, Mo., to head the steel building manufacturing plant in Oakwood for eight years, returning to Atlanta until his retirement as general manager of Armco-Atlantic Inc. and president of New England Carbide Tool.

He was a U.S. Army veteran of World War II.

He is survived by his wife of 65 years, Lynne L. Gross; three children, Ralph (Thom) Gross Jr. of St. Louis, Teresa Martin of Hannibal and Philip C. Gross of Benbrook, Texas; five grandchildren; and a brother, E. Thomas Gross of Jekyll Island.

A memorial service is pending.